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148284449 is a prime number
BaseRepresentation
bin10001101011010…
…10010000100001
3101100000122000122
420311222100201
5300430100244
622414130025
73450253115
oct1065522041
9340018018
10148284449
1176780335
12417b0915
132494b0a1
141599d745
15d0411ee
hex8d6a421

148284449 has 2 divisors, whose sum is σ = 148284450. Its totient is φ = 148284448.

The previous prime is 148284361. The next prime is 148284457. The reversal of 148284449 is 944482841.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 148230625 + 53824 = 12175^2 + 232^2 .

It is a cyclic number.

It is not a de Polignac number, because 148284449 - 220 = 147235873 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (148284469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74142224 + 74142225.

It is an arithmetic number, because the mean of its divisors is an integer number (74142225).

Almost surely, 2148284449 is an apocalyptic number.

It is an amenable number.

148284449 is a deficient number, since it is larger than the sum of its proper divisors (1).

148284449 is an equidigital number, since it uses as much as digits as its factorization.

148284449 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 294912, while the sum is 44.

The square root of 148284449 is about 12177.2102305906. The cubic root of 148284449 is about 529.2959073361.

The spelling of 148284449 in words is "one hundred forty-eight million, two hundred eighty-four thousand, four hundred forty-nine".